: Developed by Ekman and Wallace V. Friesen in 1978, this is the comprehensive system used in the show to taxonomize every human facial expression by "Action Units" (AUs).
The TV series (2009–2011) was heavily inspired by the pioneering scientific research of Dr. Paul Ekman , specifically his work on facial expressions and micro-expressions . Lie to Me (2009–2011)
: The series ran for three seasons on Fox before being canceled in 2011, reportedly due to declining ratings as the focus shifted away from the instructional "science" aspects that viewers initially enjoyed. : Developed by Ekman and Wallace V
: Although the show claimed to be "rooted in actual science," Ekman himself noted that the speed and certainty with which Lightman spots lies were often exaggerated for television. Paul Ekman , specifically his work on facial
: Much of the series' procedural logic is based on Ekman's book Telling Lies and his research into "leakage"—nonverbal cues that contradict a person's spoken words. Series Overview
: The show’s protagonist, Dr. Cal Lightman, is a fictionalized version of Paul Ekman , who spent decades documenting how brief, involuntary facial expressions reveal suppressed emotions.